Finding the Fourth Proportional to 110,745.06, 166,139.47 and 40,624.98
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Solution
The fourth proportional to 110,745.06, 166,139.47 and 40,624.98 is: 60,945.50
Step by Step Solution
- Step 1: Write the proportion equation
110,745.06 : 166,139.47 = 40,624.98 : x - Step 2: Convert to fraction form
110,745.06/166,139.47 = 40,624.98/x - Step 3: Cross multiply
110,745.06x = 166,139.47 × 40,624.98 - Step 4: Simplify right side
110,745.06x = 6,749,412,645.96 - Step 5: Solve for x
x = 6,749,412,645.96/110,745.06 - Step 6: Final answer
x = 60,945.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.